C列柱的上柱和下柱在无吊车和有吊车作用时的排架平面内的计算长度值(m),与下列()项数值最为接近。
A. 上柱:无吊l0=10.5 有吊l0=10.5 下柱:无吊l0=20.4 有吊l0= 9.0
B. 上柱:无吊l0=8.4 有吊l0=8.4 下柱:无吊l0=17.0 有吊l0=9.4
C. 上柱:无吊l0=4.2 有吊l0=4.2 下柱:无吊l0=9.0 有吊l0=9.0
D. 上柱:无吊l0=8.4 有吊l0=8.4 下柱:无吊l0=11.25 有吊l0=11.25
某砖砌体和钢筋混凝土构造柱组合内纵墙,如下图所示,构造柱截面均为 240mm×240mm,混凝土强度等级为C20,ft=1.1MPa,采用HPB235级钢筋,fy=210MPa,配纵向钢筋4Φ14。砌体沿阶梯形截面破坏的抗震抗剪强度设计值fVE=0.255MPa,A= 1017600mm2。试问,砖墙和构造柱组合墙的截面抗震承载力V(kN)应与下列()项数值最为接近。 提示:取γRE=0.85。
A. 330
B. 337
C. 359
D. 366
From the passage we know that a resume is a self-promotional document that presents you in
A. foreign business
B. an old friend
C. a job interview
D. find a company
A.Keep the window closed.B.Open the window.C.Go to see a doctor.D.Send Lucy to hospital
A. Keep the window closed.
B. Open the window.
C. Go to see a doctor.
D. Send Lucy to hospital.